Caltrans Bay Area-District 4

Caltrans Bay Area-District 4

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Caltrans District 4 is working to bring you safe, efficient, accessible, and environmentally responsible highways in the Bay Area.

Live traffic/road info at: QuickMap.dot.ca.gov District 4 is made up of Marin, Sonoma, Napa, Solano, Contra Costa, Alameda, San Francisco, Santa Clara, and San Mateo Counties. These Bay Area counties cover 7,600-lane miles of highway, with close to 3,600 employees, an annual budget of $550 million for salary and operating expenses, and a current constructions program exceeding $4.1 billion. Caltra

09/21/2024

💐Caltrans appreciates your patience as our crews continue working hard for you all to have a smoother ride on I-680 in the the Dublin Area and an on-time reopening for Monday morning.

⚠️Remember to slow for the cone zone👷‍♀️👷

09/21/2024

Media Update - I-680 Weekend Closure, Dublin

09/21/2024

Media Update- I-680 Weekend Closure, Dublin

Photos from Caltrans Bay Area-District 4's post 09/21/2024

I-680 Closure

🚧 Detours for I-680 Paving Closures🚧

🛣️ Westbound I-80 in Vacaville & Fairfield: Stay on I-80 to southbound I-880.

🛣️ Southbound I-680 near Benicia Bridge: Take I-780 west to I-80, then southbound I-880.

🛣️ Southbound I-680 in Concord: Choose SR-4 to I-80 to southbound I-880 or SR-24 to I-80 to southbound I-880.

🛣️ Southbound I-680 in Walnut Creek: Use SR-24 to I-80 to southbound I-880.

🛣️ Southbound I-680 in Danville: Head west on I-580 to SR-238 to southbound I-880 or east on I-580 to SR-84 to southbound I-680.

🚫 Full Shutdown: Saint Patrick Way on-ramp onto southbound I-680.

Stay safe and plan your route download Caltrans QuickMap at QuickMap.ca.gov! 🛑

Photos from Caltrans Bay Area-District 4's post 09/21/2024

It’s not to late come meet Safety Sam at Ocean Beach in San Francisco at 10 AM.
🤳Take a selfie with him tag us and use and we will share to our story.

09/21/2024

Come join Caltrans' Stormwater & Clean California to celebrate the 40th Annual CA Coastal Cleanup Day on Sept. 21 at 10AM at Ocean Beach by registering at CoastalCleanUpDay.org. Together, we can prevent litter and other pollutants from entering lakes, rivers and ocean.

Photos from Caltrans Bay Area-District 4's post 09/21/2024

🚨Tonight’s the Night🚨
Caltrans Bay Area-District 4 is closing southbound I-680 betwn Alcosta Blvd in San Ramon and I-680/I-580 connector in Pleasanton starting 9 p.m. Friday, 9/20, reopen 4 a.m. Monday, 9/23. Replacing deteriorated pavement for a smooth ride for motorists. Caltrans HQ

Photos from Caltrans Bay Area-District 4's post 09/20/2024

🚧 Night Lane Closures on I-580 for Paving Work 🚧

🗓️Starting Monday, Sept. 23 to Oct. 4
📍 CONTRA COSTA & MARIN COUNTY
Caltrans Bay Area-District 4 is kicking off overnight paving on the Richmond-San Rafael Bridge from

🔴Keep in mind, all work is weather dependent!🔴

✅Repaving Two left lanes on eastbound (lower deck) and westbound (upper deck) I-580.

📌Closure Hours
Westbound Upper Deck:7 p.m. - 5 a.m.
Eastbound Lower Deck:9 p.m. - 6 a.m.

🚴‍♀️ Additional Info:
- Bicycle lane on westbound I-580 may close; updates will be provided.
- Shuttle services at Stenmark Drive Bridge entrance and Vista Point in San Rafael.
- Speed limits will drop to 40 mph in construction zones.
- No weekend work is planned.

⚠️Drive safely, expect delays, and slow down in construction zones. Thank you for your patience as we enhance our highways!

For real-time traffic updates, check out [Caltrans QuickMap](http://quickmap.dot.ca.gov/).

Photos from Caltrans Bay Area-District 4's post 09/20/2024

🚧 Heads Up, Marin County!🚧

Northbound US-101 as the Marin-Sonoma Narrows B-7 project continues. 🌙 Night Work


🗓 Sept. 23 - 28
📌San Antonio Ramps Closed Mon & Tues, 10 PM - 6 AM.
📌De Long Ramp Closed Wed - Fri, 8 PM - 5 AM.

🚫🚗🚫Lane Closures One lane closed during these hours.

🚨Alternate routes 🚨
✅San Antonio On-Ramp Head south on US-101, exit at Atherton, then re-enter northbound.

✅San Antonio Off-Ramp Exit at Petaluma Blvd, go south, then get back on at San Antonio.

✅De Long On-Ramp Use Northbound Redwood Blvd, enter at Atherton.

Stay safe and plan ahead! Download QuickMap today!

Photos from Caltrans Bay Area-District 4's post 09/20/2024

⚠️ATTENTION BAY AREA DRIVERS⚠️
No barrier work lane closures on US-101 in San Mateo County this weekend.

💐Caltrans Bay Area-District 4 and thanks the public for their patience over the last few weekends as median barrier upgrades continue from the San Mateo/Santa Clara county line to Whipple Ave.

Work will resume after next Weekend❗️

Enjoy your weekend.‼️

09/20/2024

Community Service hours??? 📲Register Today!

Join us Tomorrow Sept. 21st as Caltrans Bay Area-District 4 & Clean California for Annual CA Coastal Cleanup Day!!

3 Locations to choose from:
🌊Ocean Beach in San Francisco (https://www.coastal.ca.gov/publiced/ccd/)
🌊Linda Mar in Pacifica (https://www.coastal.ca.gov/public/ccd/), or
🌊East Creek Slough in Oakland(https://www.coastal.ca.gov/publiced/ccd/).

📌Register and get details at the California Coastal Cleanup 🚮website(https://www.coastal.ca.gov/publiced/ccd/).

CoastalCleanupDay.org

Let’s keep our lakes, rivers, and ocean clean! 🌍🌊💧

Photos from Caltrans Bay Area-District 4's post 09/20/2024

🌊✨ Get ready for ! Our Structural Steel Paint Region is out here making a difference by cleaning up litter near our waterways. Let’s keep our coast beautiful! 💚 Join the movement this Saturday, September 21st, and register for an event near you! 🔗 CoastalCleanUpDay.org

Photos from Caltrans Bay Area-District 4's post 09/19/2024

🚨Weekend Night Lane Closures on Eastbound and Westbound I-80 in San Francisco🚨

Caltrans Bay Area-District 4 is scheduled to close lanes two lanes on I-80 allow crews to make emergency barrier repairs🛠️.
🛣️One lane will remain open while the work is taking place. 🛣️
The emergency repairs are necessary to replace damaged concrete barrier and tubular railing on connectors due to vehicle collisions over the years. The repairs include removing and rebuilding sections of the barrier structures.
🔴During the closure window, motorists may experience significant traffic delays. 🚦

🚗🚗🚨Motorist should use an alternate route🚨

📌Lanes of I-80 will close from 10:00 PM to 6:00 AM, with crews focusing on one direction at a time for overnight work.
• All lanes will re-open at 6 AM.
Alternate Routes:

Motorists traveling from northbound US-101 to eastbound I-80, going to the Bay Bridge should take:
📌 I-280 to King St.
Turn left onto 2nd St. and take the Bryant St. on ramp. Or continue and take the Harrison St. on ramp.
Motorists traveling westbound I-80 from the Bay Bridge to southbound I-280:

📌Take the 5th St. and Harrison off ramp, make a left onto 6th St., and continue to reach southbound I-280 on ramp.

• Motorists may experience significant traffic delays.
Alternate Routes:

Motorists traveling from northbound US-101 to eastbound I-80, going to the Bay Bridge should take:

📌I-280 to King St.
Turn left onto 2nd St. and take the Bryant St. on ramp. Or continue and take the Harrison St. on ramp.

Motorists traveling westbound I-80 from the Bay Bridge to southbound I-280:

📌Take the 5th St. and Harrison off ramp, make a left onto 6th St., and continue to reach southbound I-280 on ramp.

Motorists traveling westbound I-80 from the Bay Bridge to southbound US-101:

📌Take the 5th St. and Harrison off ramp and continue to Harrison to 9th St., to the southbound US-101 on ramp.
to southbound US-101:

📌Take the 5th St. and Harrison off ramp and continue to Harrison to 9th St., to the southbound US-101 on ramp.

Photos from Caltrans Bay Area-District 4's post 09/19/2024

🚧 Rio Vista Bridge Scheduled for Multiple Closures 🚧

Attention, motorists! 🌉 The Rio Vista Bridge (Helen Madere Memorial Bridge) on State Route 12 will undergo multiple 55-hour closures this fall for a paving project by Caltrans District 3


🗓️ Closure Dates
📌9 p.m. Friday, October 18 to 5 a.m. Monday, October 21
📌9 p.m. Friday, November 1 to 5 a.m. Monday, November 4
📌9 p.m. Friday, November 15 to 5 a.m. Monday, November 18 (Tentative)
All work is weather permitting.

This $11.24 million project includes vital repairs and upgrades to enhance safety for all users, including ADA-compliant ramps for improved accessibility. 🚶‍♀️🚴‍♂️

🚧Expect Detours:🚧Motorists may experience additional travel times of up to two hours. Please plan ahead, especially for appointments!

Stay updated on California's climate-friendly projects at BuildCA.gov and RebuildingCA.gov.

Please follow for updates Facebook](https://facebook.com/CaltransDistrict3)

🚦 Remember to and slow down for the cone zones!

Thank you for your patience as we improve our highways!

Photos from Caltrans Bay Area-District 4's post 09/19/2024

🚨Daytime One-Way Traffic Control for SR-1 in Marin County🚨

⏰Monday, Sept. 23 – Friday, Sept. 27, from 7 a.m. to 5 p.m.

Caltrans Bay Area-District 4 is continuing emergency repairs on State Route 1 (Shoreline Highway) in the Muir Beach area due to storm-related damage.

🛣️ 🚨Traffic Control Expect one-way traffic from Sept. 23 to Sept. 27. Please drive cautiously and be mindful of work zones.

🔧 This project is anticipated to last about two more weeks.

💐Thank you for your patience as we work to keep our highways safe!

📱 For real-time traffic updates, visit Caltrans QuickMap: http://quickmap.dot.ca.gov/)

CleanCA.com

Photos from Caltrans Bay Area-District 4's post 09/19/2024

It’s National Roundabout Week and Caltrans would like to remind everyone to be cautious when approaching, using, or leaving roundabouts. Using proven safety measures at a roundabout has been proven to drastically reduce crashes, serious injuries, and deaths on the highways.

09/19/2024

Get ready for a game-changing project on Yerba Buena Island! The Hillcrest Road Improvement project is set to revolutionize accessibility and connectivity for drivers, bicyclists, and pedestrians alike.
Caltrans Bay Area Director Dina El-Tawansy speaking about the benefits this project will have for generations. Caltrans HQ San Francisco County Transportation Authority

09/19/2024

🚧 Join Us for the Lagunitas Creek Bridge Replacement Project Informational Session!🚧

Caltrans invites you to learn more about the upcoming Lagunitas Creek Bridge Replacement Project. The new bridge will enhance safety and accessibility with wider shoulders, ADA-compliant features, and a new crosswalk. Get the details on this important project for our community!

📅 Date: Wednesday, October 9, 2024
⏰ Time:6 p.m. – 7 p.m.
📍 Location:The Dance Palace, 503 B St., Point Reyes

🔗 Learn More About the Project(https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/d4-marin-lagunitas-creek-bridge)

We look forward to seeing you there and sharing how this project will improve connectivity in Marin County!

09/18/2024

Community Service hours???

Join Caltrans Bay Area-District 4 & Clean California for Annual CA Coastal Cleanup Day on this Saturday Sept. 21st

📲Register Today!
3 Locations to choose from:
🌊Ocean Beach in San Francisco (https://www.coastal.ca.gov/publiced/ccd/)
🌊Linda Mar in Pacifica (https://www.coastal.ca.gov/public/ccd/), or
🌊East Creek Slough in Oakland(https://www.coastal.ca.gov/publiced/ccd/).

📌Register and get details at the California Coastal Cleanup 🚮website(https://www.coastal.ca.gov/publiced/ccd/).

CoastalCleanupDay.org

Let’s keep our lakes, rivers, and ocean clean! 🌍🌊💧

Photos from Caltrans Bay Area-District 4's post 09/17/2024

🚧 TrafficAlert:Overnight paving on SR-82/El Camino Real in Palo Alto continues Nightly at 9 PM.
🚫Lane closures will be in place: SB lanes Mon-Fri, 9 PM-7 AM; NB lanes 10 PM-8 AM.

🚫🛻🚫No parking from Sand Hill Rd to San Antonio Ave.

Expect delays and plan ahead. 🌙🛠️

Why a Roundabout? 09/17/2024

Happy Roundabouts Week!!!
This intersection control design has proven to save money and lives, virtually eliminating broadside collisions and reducing vehicle emissions.


Caltrans HQ California State Transportation Agency

Why a Roundabout?

09/17/2024

🗣Bay Area!!! Are you or someone you know in need of Community Service hours???

Join & Clean California for Annual CA Coastal Cleanup Day on this Saturday Sept. 21st

3 Locations to choose from:
🌊Ocean Beach in San Francisco (https://www.coastal.ca.gov/publiced/ccd/)
🌊[Linda Mar in Pacifica](https://www.coastal.ca.gov/public/ccd/), or 🌊East Creek Slough in Oakland](https://www.coastal.ca.gov/publiced/ccd/).

📌Register and get details at the California Coastal Cleanup 🚮website(https://www.coastal.ca.gov/publiced/ccd/).

CoastalCleanupDay.org

Let’s keep our lakes, rivers, and ocean clean! 🌍🌊💧

Photos from Caltrans Bay Area-District 4's post 09/17/2024

this weekend from 9 p.m. Fri., Sept. 20 to 4 a.m. Mon., Sept. 23 Caltrans Bay Area-District 4 will close SB I-680 between Alcosta Blvd in San Ramon and I-580/I-680 connector in City of Pleasanton.

🚨WEEKEND CLOSURE 🚨

Removing & replacing deteriorated pavement for a smooth ride for motorists. 🚗🚜🛠️👷‍♀️👷

📲For More information go to 🔗: 680paving.com

09/16/2024

TONIGHT Monday 9.16 !!!🚧

Heads up, drivers! The Foster City Blvd off-ramp (last exit before the San Mateo Bridge) on eastbound SR 92 will be closed for pavement repairs tonight, September 16, from 11:00 PM to 7:00 AM. 🚫

🚨If you need to exit before the bridge, use Mariner Island Blvd. 🚨

Please plan accordingly and use alternate routes.

For real-time traffic updates, check out Caltrans QuickMap: [http://quickmap.dot.ca.gov/](http://quickmap.dot.ca.gov/). All work is weather-dependent. Stay safe!

09/16/2024

🚨 Attention Solano County Residents!🚨 SAVE THE DATE!

Caltrans will close the State Route 220 (SR-220) J-Mack Ferry starting📅 Sunday, September 29, 2024, at 12:01 AM for 2-3 months⏰. 🔴This closure is necessary for repairs and federally mandated Coast Guard inspections. 🛳️🔧

Concrete barriers will be placed around the ferry slips starting September 29, 2024, at 12:01 PM. The ferry will remain docked until it is transported for repairs. During this time, you can use the Real Mccoy Ferry (SR-84) or the SR-84 Miners Slough Bridge for access to Ryer Island.

For updates, call the Caltrans Ferry Update Line at (510) 622-0120 or visit [Caltrans Delta Ferries](https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/d4-solano-delta-ferry). For real-time highway conditions, check [Caltrans Quickmap](http://quickmap.dot.ca.gov/) or call 1-800-427-ROAD.

Caltrans Bay Area-District 4 appreciate your patience as we work on maintaining our infrastructure. 🚧

Rider Appreciation Day | SamTrans 09/16/2024

Rider Appreciation Day | SamTrans Free Rides English Spanish Chinese SamTrans is the 2024 Outstanding Public Transportation System, and we want to thank YOU! Explore SamTrans for FREE on Rider Appreciation Day, Monday, Sept. 16. We’ve reimagined our entire bus network. Come ride our new routes, enjoy more weekday and weekend s.....

Photos from Caltrans Bay Area-District 4's post 09/16/2024

🚨🚧 Nightly Lane Closures for Emergency Repairs on I-80!🚧🚨 Starting Monday, September 16, 2024 🕘10:00 PM - 6:00 AM throughout October.
Caltrans Bay Area-District 4 will be making Emergency Barrier Repairs on the I-80 Freeway in San Francisco. 🛠️
🌉 Eastbound and Westbound I-80, Bayshore 1-80 and Central Freeway US-101 viaduct. One lane will remain open, but **expect significant traffic delays**. 🚗💨Stay updated with real-time info on Caltrans QuickMap 🔗 https://quickmap.dot.ca.gov
🚨**Alternate Routes:**🚨 https://bit.ly/SF80-101NightClosureSept16
📍 **Northbound US-101 to Eastbound I-80:** Take I-280 to King St. ➡️ Left onto 2nd St. ➡️ Bryant St. or Harrison St. on-ramp.
📍**Westbound I-80 to Southbound I-280:** Off-ramp at 5th St. & Harrison. ➡️ Left onto 6th St. ➡️ Southbound I-280 on-ramp.
📍**Westbound I-80 to Southbound US-101:** Off-ramp at 5th St. & Harrison. ➡️ Continue to 9th St. ➡️ Southbound US-101 on-ramp.

💐Caltrans thanks motorists for their patience while we work to maintain our state’s highways, bridges, and tunnels.

Please subscribe to our YouTube Channel for updates
🔗 https://www.youtube.com/ for the latest updates! 📱

Caltrans thanks for your patience as we work to keep our roads safe! 🙏🚦

09/14/2024

Caltrans Bay Area-District 4 is improving SF’s I-80 EB/WB freeway! 🛣️🛠️⏰Starting September 16 at 10:00 PM, crews will work nightly through October.

🔴🔴Expect delays…🔴🔴

📌For 24/7 traffic updates, please visit 511.org: https://x.com/511SFBay
For real-time information, visit Caltrans QuickMap: https://quickmap.dot.ca.gov
Or follow us on X: https://x.com/CaltransD4

06/22/2024

Happy Saturday, Bay Area! Reminder for Marin County that this Monday, June 24 through Friday, June 28, from 9am to 2pm each day, we’ll be working on vegetation management along SR-131 (Tiburon Boulevard) between Trestle Glen Boulevard and Rock Hill Road.

🌿 This work will help improve driver visibility and reduce fire risk. Expect one-way traffic control during these times, so please plan ahead!

🚦 Look out for message boards and flaggers who will be guiding traffic. Your safety is our priority, so please drive carefully and slow down through the work zone.

Thank you for your patience as we keep our highways safe and beautiful! 🌳

CHP - Marin Marin County Government

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Click here to claim your Sponsored Listing.

Videos (show all)

Media Update - I-680 Weekend Closure, Dublin
💐Caltrans appreciates your patience as our crews continue working hard for you all to have a smoother ride on I-680 in t...
Media Update- I-680 Weekend Closure, Dublin
Media Update - I-680 Weekend Closure, Dublin
Come join Caltrans' Stormwater & Clean California to celebrate the 40th Annual CA Coastal Cleanup Day on Sept. 21 at 10A...
🚨Tonight’s the Night🚨Caltrans Bay Area-District 4 is closing southbound I-680 betwn Alcosta Blvd in San Ramon and I-680/...
⚠️ATTENTION BAY AREA DRIVERS⚠️No barrier work lane closures on US-101 in San Mateo County this weekend.💐Caltrans Bay Are...
🌊✨ Get ready for #CoastalCleanUpDay! Our Structural Steel Paint Region is out here making a difference by cleaning up li...
Hillcrest Improvement Project Groundbreaking event
#REMINDER this weekend from 9 p.m. Fri., Sept. 20 to 4 a.m. Mon., Sept. 23 Caltrans Bay Area-District 4 will close SB I-...
Soscol Junction Interchange
🗣Attention Napa County! Caltrans Bay Area-District 4 teamed up with Napa Valley Transportation Authority and Caltrans HQ...

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Oakland, CA
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